var _html = "<div id='loading' style='position:absolute;left:0;width:100%;height:100%;top:0;background:#EFEFEF; text-align:center;'>" +
		"<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>" +
		"<i style='font-size:32px;' class='fa fa-spin fa-spinner'></i><h1>全力加载中 请稍候...</h1></div>";
 
 window.onload = function(){
 	var _mask = document.getElementById('loading');
 	_mask.parentNode.removeChild(_mask);
 }

	 
 document.write(_html);
 